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The cumulative live birth rate per Kaplan–Meier curves.
| Groups | Time to live birth | 95%CI | P-value |
|---|---|---|---|
| The untreated | 23.126 ± 0.252 | [22.602-23.712] | |
| The early treatment | 18.479 ± 0.882 | [16.750-20.208] | <0.001 |
| The late treatment | 14.183 ± 1.102 | [12.023-16.342] |
